/Engine/Plugins/Experimental/Mutable/Source/MutableTools/Public/MuT/NodeColourFromScalars.h
Get the node generating the x coordinate to sample, in the range of 0.0 to 1.0. If it is not specified, a value of 1 will be used.
[NodeScalarPtr](API\Plugins\MutableTools\MuT\NodeScalarPtr) GetX() const